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10-03-2018
Chemistry

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Determine the percent composition by mass of the element carbon in the acetamide compound

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20-03-2018

The formula of acetamide is C2H5NO
It contains 2 atoms of carbon
The atomic mass of carbon is 12; therefore 2 atoms of carbon contains 24 g
The mass of 1 mole of acetamide is 59.07 g/mol
Therefore; the percentage of carbon in asetamide will be'
=24/59.07 ×100
= 40.63 %

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